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 * Licensed to Elasticsearch B.V. under one or more contributor
 * license agreements. See the NOTICE file distributed with
 * this work for additional information regarding copyright
 * ownership. Elasticsearch B.V. licenses this file to you under
 * the Apache License, Version 2.0 (the "License"); you may
 * not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *	http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */


package org.logstash.ackedqueue;

import java.io.IOException;
import java.util.ArrayList;
import java.util.Collection;
import org.logstash.Event;
import org.logstash.ext.JrubyEventExtLibrary.RubyEvent;

import static org.logstash.RubyUtil.RUBY;

public final class AckedBatch {
    private Batch batch;

    public static AckedBatch create(Batch batch) {
        final AckedBatch ackedBatch = new AckedBatch();
        ackedBatch.batch = batch;
        return ackedBatch;
    }

    public Collection<RubyEvent> events() {
        final ArrayList<RubyEvent> result = new ArrayList<>(this.batch.size());
        for (final Queueable e : batch.getElements()) {
            result.add(RubyEvent.newRubyEvent(RUBY, (Event) e));
        }
        return result;
    }

    public int size() {
        return batch.size();
    }

    public void close() throws IOException {
        batch.close();
    }
}
